Fractional Tap, National Fine Thread, 9/16-In. x 18 Brand_Igloo or copper crimp rings &

or copper crimp rings & crimp tool

Easy-to-read LCD screen shows the charging status of the batteries inside

Non-Slip Ergonomic Grip For Easy Use

& helps prevent pinholes & buddles in the finished surface

Fractional Tap, National Fine Thread, 9/16-In. x 18 Brand_Igloo or copper crimp rings &9 16" x 18, national fine thread, fractional tap, carbon steel, ideal for routine maintenance, repair work & for rethreading where high accuracy & tolerance thread is not critical, straight flutes are ground to provide rapid chip removal for efficient threading, designed for hand threading work in a variety of materials taps produce a class 2b thread, use 33 64" drill bit.